Mackie, A. M. (1972). Research for a road safety campaign: Accident studies for advertising formulation. Transport and Road Research Laboratory.
Lua i Stíl Chicago (17ú heag.)Mackie, A. M. Research for a Road Safety Campaign: Accident Studies for Advertising Formulation. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1972.
Lua MLA (9ú heag.)Mackie, A. M. Research for a Road Safety Campaign: Accident Studies for Advertising Formulation. Transport and Road Research Laboratory, 1972.
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